html {
  position: relative;
  min-height: 100%;
}

body {
  /* Margin bottom by footer height */
  margin-bottom: 60px;
  background-color: #F2F2F2;
}

/* Estilos preimage */
.prev_container{
    overflow: auto;
    width: 100%;
    height: 318px;
    margin-top: 10px;
}
.prev_thumb{
    margin: 10px;
    height: 150px;
}
table {
    background: #ffffff;
}

.footer {
  position: absolute;
  bottom: 0;
  width: 100%;
  /* Set the fixed height of the footer here */
  height: 60px;
  background-color: #FAFAFA;
}


/* Custom page CSS
-------------------------------------------------- */
/* Not required for template or sticky footer method. */

.container .text-muted {
  margin: 20px 0;
}

.footer > .container {
  padding-right: 15px;
  padding-left: 15px;
}